20301+4007 ES  245

Coord 2000	20301+4007		Discov num	ES  245		Comp			Coord arcsec 2000	20 30 08.22 +40 06 55.9
Date first	1892		Date last	2016		Obs	11
Pa first	161		Pa last	158		P.A. Now (θ)	158°
Sep first	3.7		Sep last	4.1		Sep. Now (ρ)	4.1"
Mag pri	10.87		Mag sec	11.22		delta mag (ΔM)	0.35		Spectral class
Pri motion ra	+001		Sec motion ra	+000
Pri motion dec	+001		Sec motion dec	+001
Notes	N U (See Notes, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.707 This double is not physical.

Precise pa	157.9		Precise sep	4.11		Constellation	Cygnus		Tycho2	3157-01213-1
Gaia DR2	17832406528

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20301+4007	ES 245		1998	7	159	3.4	10.87	11.22		D	203008.22+400655.9
20301+4007	ES 245		2002	8	158	4.1	10.87	11.22		D	203008.22+400655.9
20301+4007	ES 245		2016	11	158	4.1	10.87	11.22		N	203008.22+400655.9

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